Intake manifold and surge tank

Intake manifold and surge tank

1 – intake manifold;
2 – bolt, 15–20 N•m;
3 – throttle body;
4 – bolt, 15–20 N•m;
5 – gasket;
6 – fuel delivery pipe;
7 – surge tank.

Removal

PROCEDURE

1. Disconnect the connectors from the mass air flow sensor and the throttle position sensor.

2. Remove the intake air hose connected to the throttle body.
3. Disconnect the accelerator cable.
4. Disconnect the PCV hose and the brake booster vacuum hose.
5. Disconnect the vacuum hose connections.
6. Remove the surge tank bracket.
7. Remove the surge tank and gasket.
8. Disconnect the wiring harness connector from the fuel injectors.
9. Remove the fuel delivery pipe with the fuel injectors.

Be careful not to drop the fuel injectors when removing the fuel delivery pipe.

10. Remove the insulator from the intake manifold and disconnect the heater hose.

11. Remove the intake manifold.

Inspection

PROCEDURE

1. Inspect the air chamber for damage or cracks.
2. Inspect the intake manifold for damage or cracks in any part.
3. Inspect the air duct for damage or cracks in any part.
Installation
PROCEDURE

1. Install the fuel delivery pipe with the fuel injectors attached.

Be careful not to drop the fuel injectors when removing the fuel delivery pipe.

2. Check that the insulators are correctly installed in the holes of the fuel delivery pipe.